Home / 27,132.15-37,417.38-18,619.26

Finding the Fourth Proportional to 27,132.15, 37,417.38 and 18,619.26

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Solution

The fourth proportional to 27,132.15, 37,417.38 and 18,619.26 is: 25,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.15 : 37,417.38 = 18,619.26 : x
  2. Step 2: Convert to fraction form
    27,132.15/37,417.38 = 18,619.26/x
  3. Step 3: Cross multiply
    27,132.15x = 37,417.38 × 18,619.26
  4. Step 4: Simplify right side
    27,132.15x = 696,683,926.74
  5. Step 5: Solve for x
    x = 696,683,926.74/27,132.15
  6. Step 6: Final answer
    x = 25,677.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.